20999788935

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{65761}}^1$

素因数の和:66179

約数の個数: 32

約数和(自身を含む): 34248849600

約数和(自身を除く): 13249060665

約数列:

[1, 3, 5, 15, 61, 183, 305, 349, 915, 1047, 1745, 5235, 21289, 63867, 65761, 106445, 197283, 319335, 328805, 986415, 4011421, 12034263, 20057105, 22950589, 60171315, 68851767, 114752945, 344258835, 1399985929, 4199957787, 6999929645, 20999788935]

約数ペア:

[(1, 20999788935), (3, 6999929645), (5, 4199957787), (15, 1399985929), (61, 344258835), (183, 114752945), (305, 68851767), (349, 60171315), (915, 22950589), (1047, 20057105), (1745, 12034263), (5235, 4011421), (21289, 986415), (63867, 328805), (65761, 319335), (106445, 197283)]